Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Chor der Nationen Luzern
- Stargarage AG
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Furler Productions
- Obrasso Concerts
- Concert Hall